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International Journal for Multiscale Computational Engineering
Импакт фактор: 1.016 5-летний Импакт фактор: 1.194 SJR: 0.554 SNIP: 0.68 CiteScore™: 1.18

ISSN Печать: 1543-1649
ISSN Онлайн: 1940-4352

Выпуски:
Том 17, 2019 Том 16, 2018 Том 15, 2017 Том 14, 2016 Том 13, 2015 Том 12, 2014 Том 11, 2013 Том 10, 2012 Том 9, 2011 Том 8, 2010 Том 7, 2009 Том 6, 2008 Том 5, 2007 Том 4, 2006 Том 3, 2005 Том 2, 2004 Том 1, 2003

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.2014007417
pages 177-192

HYBRID LATTICE BOLTZMANN AND FINITE VOLUME METHODS FOR FLUID FLOW PROBLEMS

Zheng Li
College of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO 65211, USA
Mo Yang
College of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Yuwen Zhang
University of Missouri, Columbia, MO 65201, USA

Краткое описание

Two hybrid methods that combine the lattice Boltzmann method (LBM) and finite volume method (FVM) are proposed in this paper. The D2Q9 model is used in LBM, while the SIMPLE algorithm with QUICK scheme is chosen for FVM. The hybrid methods are fulfilled by dividing the computational domain into the LBM and FVM zones, with a public message-passing zone in between, and only macroscopic velocities are needed to be passed between the two separated zones. A nonequilibrium extrapolation scheme and the finite difference velocity gradient method are used to pass information between the SIMPLE and LBM zones. The proposed methods are used to solve problems with the lid-driven flow, and the results obtained using pure LBM, pure SIMPLE, and the hybrid methods with different schemes agreed with each other very well in different Reynolds numbers.


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